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Connection with separate pipes
C
5x
fig. 18 - Examples of connection with separate pipes (
Table. 4 - Typology
Type
Description
C1X
Wall horizontal exhaust and intake. The inlet/outlet terminals must be concentric or close enough to be
undergo similar wind conditions (within 50 cm)
C3X
Roof vertical exhaust and intake. Inlet/outlet terminals like for C12
C5X
Wall or roof exhaust and intake separate or in any case in areas with different pressures. The exhaust
and intake must not be positioned on opposite walls.
C6X
Intake and exhaust with separately certified pipes (EN 1856/1)
B2X
Intake from installation room and wall or roof exhaust
IMPORTANT - THE ROOM MUST BE PROVIDED WITH APPROPRIATE VENTILATION
For the connection of separate ducts, fit the unit with the following starting accessory (Air
= - Fumes = )
Air inlet =
/ Fume outlet =
041065X0
fig. 19 - Starting accessory for separate ducts
Before installation, make sure the maximum permissible length has not been exceeded,
by means of a simple calculation:
1.
Completely establish the layout of the system of split flues, including accessories
and outlet terminals.
2.
Consult the table 6 and identify the losses in m
ponent, according to the installation position.
3.
Check that the sum total of losses is less than or equal to the maximum permissible
length in table 5.
Table. 5 - Maximum length of separate ducts
Max. permissible length
B
C
2x
1x
= Air /
= Fumes)
(equivalent metres) of every com-
eq
80 m
eq
Table. 6 - Accessories
PIPE 1 m M/F
BEND 45° M/F
90° M/F
PIPE SECTION with test point
Ø 80
TERMINAL air, wall
fumes, wall with antiwind
FLUE Split air/fumes 80/80
Fume outlet only Ø80
PIPE 1 m M/F
BEND 90° M/F
Ø 60
REDUCTION 80/60
TERMINAL fumes, wall with antiwind
ATTENTION: CONSIDER THE HIGH PRESSURE LOSSES OF Ø60 ACCESSORIES;
USE THEM ONLY IF NECESSARY AND AT THE LAST FUME EXHAUST SECTION.
Losses in m
eq
Air
Fume exhaust
inlet
Vertical
Horizontal
1KWMA83W
1.0
1.6
1KWMA65W
1.2
1.8
1KWMA01W
1,5
2.0
1KWMA70W
0.3
0.3
1KWMA85A
2.0
-
1KWMA86A
-
5.0
010027X0
-
12.0
010026X0 +
-
4.0
1KWMA86U
1KWMA89W
6.0
1KWMA88W
4.5
041050X0
5.0
1KWMA90A
7.0
2.0
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